Mouse to aim space bar to fire if the alien ships reach the ground, the game is over NOTE: using the mouse pointer to aim is creating lag. Try the "alternate version" for a better game experience! http://scratch.mit.edu/projects/31417018/
Graphics, sound, game idea from https://www.youtube.com/watch?v=CpIoHPUyu8s I wanted to create the same game in Scratch and IOS to compare difficulty of programming